1

TECHNICAL DATA

COMPRESSOR MSL 30 MAX - TWO STAGE - 175 PSI

MODELDISPLACEMENT

cfm

MAX. PRESSUREpsi

RPM

MOTOR

hp

(running) BELT

MOTOR PULLEYOIL CAP. WEIGHT

in lbsDISCHARGE2 POLES

inch mm in in qt

MSL 30 MAX 30 175 820 7.5 2-A 4.0 103 1.5 1.58 144 3/4’’ NPT

TECHNICAL CATALOGUE TC 205

TABLE 1 - Torque Especification

WARNING

The two parts of connecting rod

(Nº 29 and 33) are unique pair of

assembly. The connecting rod won’t

work well if its pairs is not assembled

and if the right torque (221.3 lbf.in

and 18.3 lbf.ft) is not applied in the

bolt Nº 31.

POSITION Ibf.in lbf.ft N.m

T1 43 - 31 221.3 18.3 25.0

T2 39 - 40 486 39.8 55.0

T3 14 256 21.0 29

T4 24 - 26 132 10.8 15

T5 20 1,124.0 92.2 127.0

C A S T I R O N I N D U S T R I A L C O M P R E S S O R S

2

3

(Opt

iona

l)

40

1

39 43 43

4138

42424136

37

B

A

4 - 8

34

31

29

20 - 28

21 22 4

23

27 24 25

20

27

33

4 - 8

19 20

27

26

35

6

13

14

4

15

16

17

32

T2 T1

T4

T4

30

T3

T1 T2

T1

T5

5

9 10

11

12

18

46

45

A

B

44

8 - 7

8 - 7

6

AAAAA

4 - 8

Apply loctite 243

thinly on the bolt.

2

BARE PUMP PARTS

Nº CODE DENOMINATION QTY.

1 709.1338-0/AT Cylinder cover 01

2 830.1263-0 1” NPT Air filter 01

3 830.1257-0 Filter element 01

4 830.1897-0 Gasket (kit) 01

5 022.0177-0/AT LP 1/8” ASME safety valve 01

6 809.1787-0/AT Valve plate 01

7 830.1898-0 Valve plate repair 01

8 830.1995-0 Gasket/valve plate repair 01

9 003.0005-5/AT NPT 1/8” x 1/4” elbow 01

10 830.0599-8 1/4” ring (kit) 01

11 709.1585-0/AT Crankcase breather tube 01

12 003.0054-3/AT NPT 1/8” x 1/4” straight connection 01

13 709.1708-0/AT Cylinder D=120mm d=2.1/2” 01

14 * 3/8” x 1” Hex. head bolt 06

15 028.0297-0/AT M18 plug 01

16 709.1574-0/AT Crankcase with breather for cover 01

17 003.0028-4/AT 1/4” plug 01

18 830.0154-2 1” oil level sight 01

19 019.0007-2/AT 6306 bearing 01

20 830.1092-0 Crankshaft (kit) 01

21 019.0074-0/AT 6308 bearing 01

22 60082501/AT Oil seal 01

23 709.1577-0/AT Flange 01

* Part available in the market - not sold by Schulz S.A. ** Assembled of the intercooler holder (item 46)

Note:

1 - HP=High Pressure ; LP= Low Pressure.

2 - Not assemble lock washer in the position nº 39 for bolt internal.

Nº CODE DENOMINATION QTY.

24 * 5/16” x 1” Hex. head bolt ** 01

25 709.1405-0/AT Flywheel 01

26 * 5/16” x 1.1/4” Hex. head bolt 03

27 * 5/16” lock washer 08

28 709.0147-1/AT key 01

29 830.1093-0 HP connecting rod with bushing needle (kit) 01

30 019.0028-0/AT Bushing needle 01

31 * 5/16” x 1.3/4” Allen hex. head bolt 04

32 809.1082-C/AT Guide bushing connecting rod (kit with 4 pcs) 04

33 809.1083-0/AT LP connecting rod (kit) 01

34 830.1079-0 HP Ø 2. 1/2” piston (kit) 01

35 830.1078-0 HP 2. 1/2" ring (kit) 01

36 830.1091-0 LP 120mm ring (kit) 01

37 016.0121-0/AT LP Ø 120mm piston 01

38 022.0215-0/AT HP 1/8" ASME safety valve 01

39 * 3/8" x 2.1/2” Allen hex. head bolt (see note 2) 04

40 * 3/8” x 1.1/2” allen hex head bolt 04

41 * 3/8” lock washer 06

42 830.1083-0 Washer copper (kit with 10 pcs) 02

43 * 5/16" x 1.3/4" Allen hex. head bolt 02

44 709.1590-0/AT Intercooler whit nut (kit) 01

45 003.0772-0/AT NPT 3/4" x 3/4" elbow 02

46 830.1084-0/AT Intercooler holder (kit) 01

3

INSTALLATION AND OPERATION INSTRUCTIONS

LIMITED WARRANTY

DIMENSIONS

MSL 30 MAX

MAINTENANCE WARNING

Turn off power before servicing and be sure the air tank is unloaded. These

instructions are based on normal operating conditions. If the compressor is located in

an exceedingly dusty area, increase the frequency of all inspections.

DAILY

- Inspect the compressor visually.

- Check oil level and add some if necessary, before turning the compressor on.

- Drain moisture from the piping system.

- Be sure there is no excessive or unusual vibration or noise.

WEEKLY

- Remove and clean intake air filters; do not wash the filter element.

- Check V-belts for tightness. Belt tension should be adjusted to allow approximately

3/8” to 1/2” (9 to 13 mm) deflection with normal thumb pressure or weight of the

3,7kg (8.15lb).

- Clean cylinders externally, cylinder head, motor, fan blade, tubing, and tank.

- Safety valve should be tested manually to see if it is working properly.

MONTHLY

- Check entire system for air leakage around fittings, etc by using water and soap

lather.

- Check the pressure switch operation.

- Check for oil contamination and change it if necessary.

QUARTERLY

- Change the air filter element every 300 working hours or quarterly. (Whichever

occurs first).

- Fasten bolts and nuts as required. (See Table 1)

- Change oil more frequently if compressor is located in a very dirty environment.

-WHILE RUNNING IN A PERIOD OF ABOUT 100 WORKING HOURS THE OIL

LEVEL SHOULD BE CARE FULLY CHECKED.

ANNUALLY

- Test and calibrate the pressure switch, pressure gauge and safety valve according to

their own technical standards. These parts must be removed from the tank

andpumpto be tested.

- Inspect and clean the suction and discharge valve(s) plate(s) every 1000 (one thou-

sand) working hours (whichever occurs first), located between the cylinder and its

cover and, if necessary, replace it (them) according to the operation conditions.

- The first oil change should be made after 8 hours of operation.

- The second oil change after 40 hours of operation.

- The third and following exchanges should be made after 200 hours of operation, or

60 (sixty) days, whichever occurs first.

Note:

Heavy Duty and multi-viscous oils are not adequate for Schulz air compressor’s lubri-

cation. The same applies to oils that tend to emulsify.

We recommend good industrial oil for air compressors, with rust and oxidation inhi-

bitors and high viscosity level (from 90 to 95), SAE or ISO, as indicated in the table

below:

RECOMMENDED LUBRICANT OILS FOR SCHULZ AIR PUMPS

NOTE: Schulz reserves the right to make changes without prior notice.

INSTALLATION AND LOCATION

1. Installation:

Install the compressor in a covered, well ventilated area, free of dust, toxic

gases, humidity or any other kind of pollution. The

compressor should be located no closer than 32” (800mm) from a wall or any

other obstacle that could interfere with the air flow through the fan. This dis-

tance will also make maintenance easier. Place the compressor on a leveled

surface. Rotation of the flywheel must be in the direction of the arrow cast

into the flywheel. The maximum ambient temperature recommended while

working is 104ºF or 40ºC. If necessary, install an exhaust fan to

guarantee fresh air and to dissipate heat.

Before making the electrical connections, check oil level and top-up lubrica-

ting oil. For type of oil, see table at the end of these instructions.

2. Electrical connection: The country’s valid electrical standards must be

followed regarding Low Voltage Electrical Installation.

OPERATION

1. Initial start procedure:

Before turning on the compressor, check the crankcase oil level. It must be in

the middle of the oil level sight or oil level dipstick . As to the type of oil to be

used and the recommended change intervals, check at “Lubrication” and as

to its volume, check the Technical Data Table.

2. Start:

Turn on the electrical start key and let your compressor run for about 10 (ten)

minutes, what will keep the tank’s internal pressure or compressed air around

20 psi. This will optimize a homogeneous lubrication of the parts.

* With air filter item 2

C

D

E

G

H

I / I*

Ø A

F

B

mm inch

A 420.0 16.53

B 451.0 17.7

C 255.0 10.0

D 10.5 0.41

E 25.5 1.0

F 191.0 7.6

G 118.0 4.6

H 130.0 5.1

I 480.0 18.9

I* 500.0 19.7

AMBIENT TEMPERATURE F ( C)

Below 32 ºF

Below 0 ºC

32 ºF to 68 ºF

0 ºC to 20 ºC

68 ºF to 104 ºF

20 ºC to 40 ºC

SAE 10W or ISO 32 SAE 20W or ISO 68 SAE 30 or ISO 100

DISTRIBUTOR

All component parts on your SCHULZ compressor are warranted to be free of

defects in workmanship and material for a period of one year. Transportation

charges are responsibility of the purchaser. This warranty extends to the

original purchaser of the compressor only.

There are no express warranties except as contained in this limited warranty

statement and implied warranties, including those of merchantability and

fitness for a particular purpose, are limited to the period of warranty.

Our liability is limited solely to replacement of nonconforming parts as set forth

herein and does not include any liability for any incidental, consequential, or

other damages of any kind. This warranty gives you specific legal rights, and

you may also have other rights that vary from state to state.

TECHNICAL CATALOGUE TC 205

025.0

421-0

rev

.3

0

7/1

1R

ECYC

LAB

LE